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generate_chunk_kernel_c.c
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generate_chunk_kernel_c.c
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/*Crown Copyright 2012 AWE.
*
* This file is part of CloverLeaf.
*
* CloverLeaf is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* CloverLeaf is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* CloverLeaf. If not, see http://www.gnu.org/licenses/. */
/**
* @brief C mesh chunk generator
* @author Wayne Gaudin
* @details Generates the field data on a mesh chunk based on the user specified
* input for the states.
*
* Note that state one is always used as the background state, which is then
* overwritten by further state definitions.
*/
#include <stdio.h>
#include <stdlib.h>
#include "ftocmacros.h"
#include <math.h>
void generate_chunk_kernel_c_(int *xmin,int *xmax,int *ymin,int *ymax,
double *vertexx,
double *vertexy,
double *cellx,
double *celly,
double *density0,
double *energy0,
double *xvel0,
double *yvel0,
int *nmbr_f_stts,
double *state_density,
double *state_energy,
double *state_xvel,
double *state_yvel,
double *state_xmin,
double *state_xmax,
double *state_ymin,
double *state_ymax,
double *state_radius,
int *state_geometry,
int *g_rct,
int *g_crc,
int *g_pnt)
{
int x_min=*xmin;
int x_max=*xmax;
int y_min=*ymin;
int y_max=*ymax;
int number_of_states=*nmbr_f_stts;
int g_rect=*g_rct;
int g_circ=*g_crc;
int g_point=*g_pnt;
double radius,x_cent,y_cent;
int state;
int j,k,jt,kt;
#pragma omp parallel
{
/* State 1 is always the background state */
#pragma omp for private(j,k)
for (k=y_min-2;k<=y_max+2;k++) {
#pragma ivdep
for (j=x_min-2;j<=x_max+2;j++) {
energy0[FTNREF2D(j ,k ,x_max+4,x_min-2,y_min-2)]=state_energy[FTNREF1D(1,1)];
}
}
#pragma omp for private(j,k)
for (k=y_min-2;k<=y_max+2;k++) {
#pragma ivdep
for (j=x_min-2;j<=x_max+2;j++) {
density0[FTNREF2D(j ,k ,x_max+4,x_min-2,y_min-2)]=state_density[FTNREF1D(1,1)];
}
}
#pragma omp for private(j,k)
for (k=y_min-2;k<=y_max+2;k++) {
#pragma ivdep
for (j=x_min-2;j<=x_max+2;j++) {
xvel0[FTNREF2D(j ,k ,x_max+5,x_min-2,y_min-2)]=state_xvel[FTNREF1D(1,1)];
}
}
#pragma omp for private(j,k)
for (k=y_min-2;k<=y_max+2;k++) {
#pragma ivdep
for (j=x_min-2;j<=x_max+2;j++) {
yvel0[FTNREF2D(j ,k ,x_max+5,x_min-2,y_min-2)]=state_yvel[FTNREF1D(1,1)];
}
}
for ( state=2;state<=number_of_states;state++) {
/* Could the velocity setting be thread unsafe? */
x_cent=state_xmin[FTNREF1D(state,1)];
y_cent=state_ymin[FTNREF1D(state,1)];
#pragma omp for private(radius,j,k)
for (k=y_min-2;k<=y_max+2;k++) {
#pragma ivdep
for (j=x_min-2;j<=x_max+2;j++) {
if(state_geometry[FTNREF1D(state,1)]==g_rect ) {
if(vertexx[FTNREF1D(j+1,x_min-2)]>=state_xmin[FTNREF1D(state,1)] && vertexx[FTNREF1D(j,x_min-2)]<state_xmax[FTNREF1D(state,1)]) {
if(vertexy[FTNREF1D(k+1,y_min-2)]>=state_ymin[FTNREF1D(state,1)] && vertexy[FTNREF1D(k,y_min-2)]<state_ymax[FTNREF1D(state,1)]) {
density0[FTNREF2D(j ,k ,x_max+4,x_min-2,y_min-2)]=state_density[FTNREF1D(state,1)];
energy0[FTNREF2D(j ,k ,x_max+4,x_min-2,y_min-2)]=state_energy[FTNREF1D(state,1)];
for (kt=k;kt<=k+1;kt++) {
for (jt=j;jt<=j+1;jt++) {
xvel0[FTNREF2D(jt,kt,x_max+5,x_min-2,y_min-2)]=state_xvel[FTNREF1D(state,1)];
yvel0[FTNREF2D(jt,kt,x_max+5,x_min-2,y_min-2)]=state_yvel[FTNREF1D(state,1)];
}
}
}
}
}else if(state_geometry[FTNREF1D(state,1)]==g_circ ) {
radius=sqrt((cellx[FTNREF1D(j,x_min-2)]-x_cent)*(cellx[FTNREF1D(j,x_min-2)]-x_cent)+(celly[FTNREF1D(k,y_min-2)]-y_cent)*(celly[FTNREF1D(k,y_min-2)]-y_cent));
if(radius<=state_radius[FTNREF1D(state,1)]) {
density0[FTNREF2D(j ,k ,x_max+4,x_min-2,y_min-2)]=state_density[FTNREF1D(state,1)];
energy0[FTNREF2D(j ,k ,x_max+4,x_min-2,y_min-2)]=state_density[FTNREF1D(state,1)];
for (kt=k;kt<=k+1;kt++) {
for (jt=j;jt<=j+1;jt++) {
xvel0[FTNREF2D(jt,kt,x_max+5,x_min-2,y_min-2)]=state_xvel[FTNREF1D(state,1)];
yvel0[FTNREF2D(jt,kt,x_max+5,x_min-2,y_min-2)]=state_yvel[FTNREF1D(state,1)];
}
}
}
}else if(state_geometry[FTNREF1D(state,1)]==g_point) {
if(vertexx[FTNREF1D(j,x_min-2)]==x_cent && vertexy[FTNREF1D(j,x_min-2)]==y_cent) {
density0[FTNREF2D(j ,k ,x_max+4,x_min-2,y_min-2)]=state_density[FTNREF1D(state,1)];
energy0[FTNREF2D(j ,k ,x_max+4,x_min-2,y_min-2)]=state_density[FTNREF1D(state,1)];
for (kt=k;kt<=k+1;kt++) {
for (jt=j;jt<=j+1;jt++) {
xvel0[FTNREF2D(jt,kt,x_max+5,x_min-2,y_min-2)]=state_xvel[FTNREF1D(state,1)];
yvel0[FTNREF2D(jt,kt,x_max+5,x_min-2,y_min-2)]=state_yvel[FTNREF1D(state,1)];
}
}
}
}
}
}
}
}
}